Catalog https://www.ncei.noaa.gov/thredds/catalog/model-srrs-grib/200912/20091227/catalog.html

Dataset	Size	Last Modified
`20091227`		`--`
`SRRS GRIB: 8 hour 3X Ozone Concentration : 2009-12-27 All Cycles & All forecasts`	`261.4 Mbytes`	`2009-12-31T09:02:40Z`
`SRRS GRIB: 1 hour 3X Ozone Concentration : 2009-12-27 All Cycles & All forecasts`	`280.6 Mbytes`	`2009-12-31T09:00:19Z`
`SRRS GRIB: 8 hour 5X Ozone Concentration : 2009-12-27 All Cycles & All forecasts`	`261.4 Mbytes`	`2009-12-31T08:57:46Z`
`SRRS GRIB: 1 hour 5X Ozone Concentration : 2009-12-27 All Cycles & All forecasts`	`280.6 Mbytes`	`2009-12-31T08:55:19Z`
`SRRS GRIB: Smoke : 2009-12-27 All Cycles & All forecasts`	`539.8 Mbytes`	`2009-12-31T08:52:43Z`
`SRRS GRIB: National Convective Weather Forecast : 2009-12-27 : All Times`	`181.7 Mbytes`	`2009-12-31T08:48:15Z`
`SRRS GRIB: 20 Km U.S. Current Icing Potential : 2009-12-27 All Cycles / All Vertical Levels / Analysis`	`167.9 Mbytes`	`2009-12-31T08:48:03Z`
`SRRS GRIB: 40 Km U.S. Current Icing Potential : 2009-12-27 All Cycles / All Vertical Levels / Analysis`	`42.75 Mbytes`	`2009-12-31T08:47:57Z`
`SRRS GRIB: N.AM 500 mb Heights Analysis : 2009-12-27 All Cycles & Analysis`	`72.76 Kbytes`	`2009-12-31T08:47:50Z`
`SRRS GRIB: N.AM 1000 mb Heights Analysis : 2009-12-27 All Cycles & Analysis`	`85.34 Kbytes`	`2009-12-31T08:47:46Z`
`SRRS GRIB: N.AM Precipitable Water : 2009-12-27 All Cycles & Analysis`	`43.41 Kbytes`	`2009-12-31T08:47:42Z`
`SRRS GRIB: N.AM 700MB Mean Relative Humidity : 2009-12-27 All Cycles & Analysis`	`30.84 Kbytes`	`2009-12-31T08:47:34Z`